linux-kernel - Re: [PATCH v1] zram: add size class equals check into recompression

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Message-ID: <20221025094859.7kbcqknlkmo4hj2y@cab-wsm-0029881.lan>
Date:   Tue, 25 Oct 2022 09:49:22 +0000
From:   Aleksey Romanov <AVRomanov@...rdevices.ru>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        "minchan@...nel.org" <minchan@...nel.org>,
        "ngupta@...are.org" <ngupta@...are.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kernel <kernel@...rdevices.ru>
Subject: Re: [PATCH v1] zram: add size class equals check into recompression

On Tue, Oct 25, 2022 at 11:04:40AM +0900, Sergey Senozhatsky wrote:
> On (22/10/25 10:53), Sergey Senozhatsky wrote:
> > > +unsigned int zs_get_class_size(struct zs_pool *pool, unsigned int size)
> > > +{
> > > +	struct size_class *class = pool->size_class[get_size_class_index(size)];
> > > +
> > > +	return class->size;
> > > +}
> > > +EXPORT_SYMBOL_GPL(zs_get_class_size);
> > 
> > I'll kindly ask for v2. This conflicts with configurable zspage order
> > patch set which I posted last night. get_size_class_index() now takes
> > the pool parameter.
> 
> Oh, apparently Andrew already has a fixup patch for this.

Hi! Thanks for the quick response.

Do I need to submit v2 with a fix for >=? Also, I forgot to 
correct the comment on the zs_get_class_size() function:

> * Return: the size (in bytes) of the zsmalloc &size_class into which
> * the object with specified size will be inserted.

... or already inserted.

-- 
Thank you,
Alexey